Permanent-split capacitor motors and shaded-pole motors are generally used for variable-speed control because they operate without having to disconnect a set of start windings with a ____ or starting relay.
a. membrane switch
b. centrifugal switch
c. pressure switch
d. rotary switch
b. centrifugal switch
You might also like to view...
. What is D when N = 50 and Pn = 10? Round to three decimal places.
A. 707.214 B. 7.072 C. 70.776 D. 7.819
Technician A says that a proper U-joint inspection can be done with the driveshaft in place on the vehicle. Technician B says that you must remove the driveshaft to properly inspect the U-joints. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Voltage drop across a switch indicates that:
A) The switch is operating. B) The switch is open. C) The switch is closed. D) The wire to the switch is sized incorrectly.
In a confined hydraulic circuit, what must happen when there is flow through the circuit?
A. pressure rise B. pressure drop C. fluid leakage D. fluid pressure spikes